Home / 36,488.09-54,732.12-28,180.22

Finding the Fourth Proportional to 36,488.09, 54,732.12 and 28,180.22

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Solution

The fourth proportional to 36,488.09, 54,732.12 and 28,180.22 is: 42,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.09 : 54,732.12 = 28,180.22 : x
  2. Step 2: Convert to fraction form
    36,488.09/54,732.12 = 28,180.22/x
  3. Step 3: Cross multiply
    36,488.09x = 54,732.12 × 28,180.22
  4. Step 4: Simplify right side
    36,488.09x = 1,542,362,909.01
  5. Step 5: Solve for x
    x = 1,542,362,909.01/36,488.09
  6. Step 6: Final answer
    x = 42,270.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.